“When somebody underestimated me, it made me want to prove them wrong.”

Democracy is the most realistic way for diverse peoples to resolve their differences, and share power, and heal social divisions without violence or repression.

You will make a difference in the world, but not immediately. Your first obligation is to find something you like doing, because if you like doing it, you’ll do it well.

Self esteem comes from achievements. Not from lax standards and false praise.

People want to psychoanalyze me, but the fact is, I’m not that complicated. I’m pretty straightforward. And I’m not all that self-reflective, because I tend to be a doer.

So I think, if September 11 taught us anything, it taught us that we’re vulnerable, and vulnerable in ways that we didn’t fully understand.

It’s bad policy to speculate on what you’ll do if a plan fails when you’re trying to make a plan work.

When diplomacy has been exhausted, the Security Council must become involved. Questions about Iran’s nuclear activities remain unanswered, despite repeated efforts by the IAEA.

I firmly believe you never should spend your time being the former anything.

History’s long arc is different than the today’s headlines.

In America, with education and hard work, it really does not matter where you came from; it matters only where you are going.

The quicker we get about the business of reducing our reliance on oil the better.

Every life is capable of greatness.

The best armor against everything around you is to be well educated, to work hard, to be twice as good as if you had to be, to do languages and culture better.

You can never ask others to do something you would not do. That is integrity.

Leading in a complex world means recognizing the simple things you can do to make things better.

We’re not going to negotiate about the terms of terrorism. You don’t negotiate about terrorism. It’s is wrong to engage in terrorism, and there isn’t anything to negotiate.

Fortune befriends the bold.

It seems to me that television is exactly like a gun. Your enjoyment of it is determined by which end of it you’re on.

It’s not what you say out of your mouth that determines your life,it’s what you whisper to yourself that has the most power!

What this power is, I cannot say All I know is that it exists.

Our attitude towards others determines their attitude towards us.

If you are determined nothing can stop you from determining your dreams.

Chaos demands to be recognized and experienced before letting itself be converted into a new order.

It doesn’t matter if it’s rain or sweat, we got work to do!